Steward Database - Steward is a personal database for organizing everything. It's easy to use.
Flexibits - Makers of Cardhop, Chatology, and Fantastical.
Philasmicos Contacts 2 - Philasmicos Contacts is a professional business relationships management system for macOS X.
Apple Contacts App - Access and edit your contacts from personal, business, and other accounts with the Contacts app.
iDatabase for Mac - The intuitive personal database manager.
Kin - Kin is money for the digital world. It is used to generate value through a shared, decentralized cryptocurrency in a digital ecosystem of apps and their users.